Which vitamin C brands do pharmacists recommend in the Philippines? Why the law stops a drugstore from picking one for you, and the five things a professional checks on the pack first.

What are the benefits of vitamin C? What the NIH, the Cochrane trial evidence and the FNRI figures actually say about vitamin C, the immune system and colds.

Vitamin C and zinc do separate jobs. Here is what each does, how much Filipino adults need, and how to read the zinc figure on a label.